Condensed Consolidated Statements of Changes in Stockholders' Equity (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Jun. 30, 2013	$ 238,162	$ 279	$ 118,190	$ 141,427	$ (21,961)	$ 227	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	6,552			6,552			0
Other comprehensive income (loss)	302					302
Exercise of stock options	356		(204)		560
Tax effect of exercised stock options and vesting of deferred shares	3		3
Issuance of deferred shares	0		(11)		11
Treasury shares sold to Employee Stock Purchase Plan	18		(2)		20
Other treasury share purchases	(4)				(4)
Stock-based compensation expense	1,087		1,087
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Sep. 30, 2013	246,476	279	119,063	147,979	(21,374)	529	0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Jun. 30, 2014	282,283	279	119,777	177,237	(16,595)	(182)	1,767
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	4,671			5,914			(1,243)
Other comprehensive income (loss)	(1,770)					(1,770)
Exercise of stock options	193		(213)		406
Tax effect of exercised stock options and vesting of deferred shares	660		660
Issuance of deferred shares	0		(1,579)		1,579
Treasury shares sold to Employee Stock Purchase Plan	58		27		31
Other treasury share purchases	(913)				(913)
Stock-based compensation expense	1,457		1,457
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Sep. 30, 2014	$ 286,639	$ 279	$ 120,129	$ 183,151	$ (15,492)	$ (1,952)	$ 524